Diodes SBR12U45LH - Manual (Page 3)

SBR12U45LH
Document number: DS35094 Rev. 6 - 2
3 of 5
www.diodes.com
February 2014
© Diodes Incorporated
SBR12U45LH
SBR and POWERDI are registered trademarks of Diodes Incorporated
Fig. 1 Forward Power Dissipation
0
0.5
1
1.5
2
2.5
3
3.5
4
I , AVERAGE FORWARD CURRENT (A)
F(AV)
P
,
P
O
WE
R
DISS
IP
A
T
IO
N (
W
)
D
0 5 10 15
4.5
5
0.1
1
10
100
0 200 400 600
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
Fig. 2 Typical Forward Characteristics
I
, INS
TAN
TANE
O
U
S F
O
R
WA
R
D
C
U
R
R
EN
T
(A
)
F
T
J
= 25°C
T
J
= -55°C
T
J
= 85°C
T
J
= 125°C
T
J
= 150°C
0 5 10 15 20 25 30 35 40 45
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Characteristics
10
100
1,000
10,000
100,000
I,
IN
S
TA
N
TA
N
E
O
U
S
R
EV
E
R
SE
C
U
R
R
E
N
T
(µ
A
)
R
0.1 1 10 100
Fig. 4 Total Capacitance vs. Reverse Voltage
V , DC REVERSE VOLTAGE (V)
R
100
1,000
100,000
C
, T
O
TAL
C
A
P
A
C
IT
AN
C
E (
pF
)
T
10,000
f = 1MHz
Fig. 5 Forward Current Derating Curve
0
2
4
6
8
10
25 50 75 100 125 150 175
T , AMBIENT TEMPERATURE (°C)
A
I
, A
VERAGE
F
O
RW
ARD
CU
RRENT
(
A
)
F(
A
V
)
14
Based on Lead Temp (T )
L
12
200
Steady State
2 Hours
Notes 7 & 8
@ > 150°C
Fig. 6 Operating Temperature Derating
0
25
50
75
100
125
150
0 9 18 27 36 45
V , DC REVERSE VOLTAGE (V)
R
T
, DERA
T
E
D
A
M
B
IENT
T
E
M
PER
A
T
U
R
E (
°C)
A
175
200
Notes 7 & 8
@ > 150°C